Abrasive wear resistance of WC-Co and WC-AISI 304 composites by ball-cratering method

被引：33
|
作者：
Vilhena, L. M. [1 ]
Fernandes, C. M. [2 ]
Soares, E. [3 ]
Sacramento, J. [3 ,4 ]
Senos, A. M. R. [2 ]
Ramalho, A. [1 ]
机构：
[1] Univ Coimbra, Dept Mech Engn, CEMUC, P-3030788 Coimbra, Portugal
[2] Univ Aveiro, Dept Mat & Ceram Engn CICECO, P-3810193 Aveiro, Portugal
[3] DURIT Met Portuguesa Tungstenio Lda, P-3854909 Albergaria A Velha, Portugal
[4] Univ Aveiro, ESTGA Agueda Sch Technol & Management, P-3754909 Agueda, Portugal
来源：
WEAR | 2016年 / 346卷
关键词：
Tungsten carbide; Cobalt; Stainless steel; Abrasive wear; Ball-cratering; Cemented carbides; MICROABRASION RESISTANCE; HARDMETALS; CORROSION; COATINGS; BEHAVIOR; TRANSITIONS; FRICTION; 2-BODY;
D O I：
10.1016/j.wear.2015.11.005
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
In the present work, the effect of different binder materials on the tribological properties of cemented carbides was studied. Flat samples of conventional WC-Co, and newly developed WC-AISI 304 stainless steel (SS) composites with and without carbon addition were surface finished by grinding and polishing. Comparative experiments were performed using a ball-cratering tribometer. Worn surfaces were characterized by optical microscopy, surface scanning topography and scanning electron microscopy. It was found that the abrasive wear resistance of the developed WC-SS composites is higher than that of conventional WC-Co and decreases with the carbon addition, in a direct relation with the decreasing hardness. The mechanisms of wear degradation are discussed. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：99 / 107
页数：9
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